<?php

namespace App\Support\Release;

final class FeatureFlagRegistry
{
    /** @return FeatureFlagDefinition[] */
    public function all(): array
    {
        $flags = config('modular_release.flags', []);

        return array_map(
            fn (string $key, array $flag): FeatureFlagDefinition => new FeatureFlagDefinition(
                key: $key,
                owner: (string) ($flag['owner'] ?? 'unowned'),
                default: (bool) ($flag['default'] ?? false),
                removalTarget: $flag['removal_target'] ?? null,
                dimensions: $flag['dimensions'] ?? ['global', 'environment', 'school_id', 'domain_profile']
            ),
            array_keys($flags),
            array_values($flags)
        );
    }

    public function find(string $key): ?FeatureFlagDefinition
    {
        foreach ($this->all() as $flag) {
            if ($flag->key === $key) {
                return $flag;
            }
        }

        return null;
    }

    public function export(): array
    {
        return array_map(fn (FeatureFlagDefinition $flag): array => $flag->toArray(), $this->all());
    }
}